Dental membrane



FIG. 1 is a front perspective view of my dental membrane;

FIG. 2 is a front view;

FIG. 3 is a rear view;

FIG. 4 is a left side view;

FIG. 4A is an enlarged view of the encircled portion of FIG. 4;

FIG. 5 is a right side view;

FIG. 6 is a top view;

FIG. 7 is a bottom view; and,

FIG. 8 is a perspective view of the dental membrane in an installedorientation.

The dashed lines form no part of the claimed design and illustrateenvironment only.

CLAIM The ornamental design for a dental membrane, as shown anddescribed.